remove everything that isnt a webp, replace it with webp

[patrickpatrickpatrick]

⚠️ This repo is Continuously Deployed: make sure you follow the guidance ⚠️

before

after

[github-actions]

Images automagically compressed by Calibre's image-actions ✨

Compression reduced images by 54.3%, saving 1.33 MB.

Filename	Before	After	Improvement	Visual comparison
app/assets/images/campaign/britain_is_great/320px.webp	27.35 KB	14.68 KB	-46.3%	View diff
app/assets/images/campaign/britain_is_great/768px.webp	106.84 KB	53.76 KB	-49.7%	View diff
app/assets/images/campaign/britain_is_great/960px.webp	89.04 KB	48.40 KB	-45.6%	View diff
app/assets/images/campaign/dvla-new-licence-rules/320px.webp	25.72 KB	11.50 KB	-55.3%	View diff
app/assets/images/campaign/dvla-new-licence-rules/768px.webp	86.35 KB	55.41 KB	-35.8%	View diff
app/assets/images/campaign/dvla-new-licence-rules/960px.webp	88.62 KB	37.51 KB	-57.7%	View diff
app/assets/images/campaign/dwp-workplace-pensions/320px.webp	42.72 KB	25.33 KB	-40.7%	View diff
app/assets/images/campaign/dwp-workplace-pensions/768px.webp	195.60 KB	102.53 KB	-47.6%	View diff
app/assets/images/campaign/dwp-workplace-pensions/960px.webp	125.38 KB	66.57 KB	-46.9%	View diff
app/assets/images/campaign/fire-kills/320px.webp	20.67 KB	16.15 KB	-21.9%	View diff
app/assets/images/campaign/fire-kills/768px.webp	114.70 KB	92.87 KB	-19.0%	View diff
app/assets/images/campaign/fire-kills/960px.webp	116.04 KB	55.96 KB	-51.8%	View diff
app/assets/images/campaign/know-before-you-go/320px.webp	20.63 KB	7.73 KB	-62.5%	View diff
app/assets/images/campaign/know-before-you-go/768px.webp	108.19 KB	29.67 KB	-72.6%	View diff
app/assets/images/campaign/know-before-you-go/960px.webp	66.60 KB	19.13 KB	-71.3%	View diff
app/assets/images/campaign/royal_mail_shares/320px.webp	40.39 KB	8.21 KB	-79.7%	View diff
app/assets/images/campaign/royal_mail_shares/768px.webp	133.57 KB	27.50 KB	-79.4%	View diff
app/assets/images/campaign/royal_mail_shares/960px.webp	90.60 KB	19.46 KB	-78.5%	View diff
app/assets/images/campaign/sort-my-tax/320px.webp	12.33 KB	5.13 KB	-58.4%	View diff
app/assets/images/campaign/sort-my-tax/768px.webp	60.36 KB	50.04 KB	-17.1%	View diff
app/assets/images/campaign/sort-my-tax/960px.webp	59.54 KB	28.22 KB	-52.6%	View diff
app/assets/images/campaign/unimoney/320px.webp	32.16 KB	17.48 KB	-45.7%	View diff
app/assets/images/campaign/unimoney/768px.webp	122.26 KB	59.29 KB	-51.5%	View diff
app/assets/images/campaign/unimoney/960px.webp	97.19 KB	44.22 KB	-54.5%	View diff
app/assets/images/getsatisfaction.webp	27.96 KB	12.69 KB	-54.6%	View diff
app/assets/images/homepage/afghan-image-promo-170.webp	23.31 KB	3.91 KB	-83.2%	View diff
app/assets/images/homepage/cost-of-living.webp	9.39 KB	9.12 KB	-3.0%	View diff
app/assets/images/roadmap/updates-work.webp	7.40 KB	7.28 KB	-1.6%	View diff
app/assets/images/tour/0home.webp	45.04 KB	16.00 KB	-64.5%	View diff
app/assets/images/tour/10counciltax.webp	37.97 KB	13.53 KB	-64.4%	View diff
app/assets/images/tour/11counciltaxbenefit.webp	56.73 KB	22.38 KB	-60.5%	View diff
app/assets/images/tour/12feedback.webp	55.09 KB	19.99 KB	-63.7%	View diff
app/assets/images/tour/1govuk.webp	70.07 KB	25.83 KB	-63.1%	View diff
app/assets/images/tour/2google.webp	10.06 KB	5.60 KB	-44.4%	View diff
app/assets/images/tour/3vat.webp	40.17 KB	14.28 KB	-64.5%	View diff
app/assets/images/tour/4workingtaxcredit.webp	59.06 KB	24.08 KB	-59.2%	View diff
app/assets/images/tour/5clockschange.webp	43.87 KB	15.37 KB	-65.0%	View diff
app/assets/images/tour/6taxcreditrelatedbox.webp	14.06 KB	7.73 KB	-45.0%	View diff
app/assets/images/tour/7incometaxguide.webp	34.27 KB	20.00 KB	-41.6%	View diff
app/assets/images/tour/8childbenefitrates.webp	54.45 KB	18.72 KB	-65.6%	View diff
app/assets/images/tour/9studentfinance.webp	43.72 KB	16.74 KB	-61.7%	View diff

28 images did not require optimisation.

[nnagewad]

Dude this is 🔥