chore: update submodules to latest main branch

[rikled]

Automated nightly submodule bump.

Updates each submodule to the latest commit on its tracking branch.

server (main) — 2 new commit(s)

abfa2946 feat: add support for font management (#41)

web-apps (main) — 7 new commit(s)

b8bf39cab3 Update dependency mocha to v10.8.2 (#105)
d0fddf07ae test: load the test setup before the suites, drop the SmartPicker entry
21f4eda1d0 build: stop tracking the generated mobile index.html
9324c02eb8 test: make the unit-test harness runnable again
a9815a6241 Update babel monorepo to v7.29.7 (#100)

sdkjs (main) — 12 new commit(s)

9e02e3db58 fix cache invalidation, sentinel-strip, and doc drift from webpack migration review
90af0253e7 export and test StripLicenseSentinelPlugin, close ES5 downlevel decision
f6a01304dd build(sdkjs): pin webpack, add SKIP_BUNDLE, and cover sdk-all.js in CI
fc154b472d build(sdkjs): drop Babel ES5 downlevel, adopt SPDX headers on new build files
ed09be986a fix: preserve background color for odt
c3abc4d121 build(sdkjs): wire sdkjs-forms addon into CI develop build
de2b1dd41e build(sdkjs): run CI on PRs into main, document bare-global fragility
f6d5e2db43 fix: strip leaked license sentinel, fix Babel cache staleness gap
f787b365b8 build(sdkjs): fix webpack migration bundle bloat, CI, and coverage gaps
afa2052c97 build(sdkjs): finish Grunt -> Webpack migration hardening
f4cc0c4618 build(sdkjs): migrate build toolchain from Grunt to webpack

core (main) — 5 new commit(s)

0c00321943 fix: preserve background color for odt (#122)
5770e14dad fix(v8): refresh gclient_paths.patch and pin depot_tools in all build paths
d2684c617f fix(djvu-rgba-channel-order): correct RGBA channel order in WASM rendering

document-server-integration (main) — 1 new commit(s)

document-server-package (main) — 1 new commit(s)

84907ab feat: add a script for restarting the docservice