chore: sync Gitea 28.3.0 inputs and compatibility docs

gitea.lock.json

@@ -1,8 +1,8 @@
 {
   "schema": 1,
   "repository": "https://github.com/go-gitea/gitea",
-  "tag": "v28.2.0",
-  "commit": "829b49c1ae96015e345f9d2a0eb1ea7acd5f31e1",
+  "tag": "v28.3.0",
+  "commit": "4f5a3e13e5f3aca85d830e3a9024c893b0bbf1e1",
   "files": {
     "LICENSE": "ed2f10a9d78b8c6c9ef33f1420d0eb266981891caf2f15d630553f02dc60d3ae",
     "modules/templates/mail.go": "fb8204b79f700f88c7c3f0da16e50c3d678a2216e62e98f712805ed1d42ab3a9",
@@ -12,7 +12,7 @@
     "options/locale/locale_cs-CZ.json": "816c4a0cfc6112c8cc9a63e63b3de0bc623819a23d2f2bbb800b09c45d23da66",
     "options/locale/locale_de-DE.json": "593ec4e3652c0faf9ecb5d5b27a649c1c0a933030ecdfbf4dc810ea4ad69bfb8",
     "options/locale/locale_el-GR.json": "dd03e6e083d6286d8eb2045a37bcf5c578fc339ab87a72a7397e01733078d89e",
-    "options/locale/locale_en-US.json": "0821c7e631d62e8d80a49a119ba0fb4430f27e4da37a3c943b3cd0faee43e163",
+    "options/locale/locale_en-US.json": "ae6566c5c5e3fbe370363d525c1a51f09054c726d5da72bda4bf5394c7873061",
     "options/locale/locale_es-ES.json": "cbb1cd7bc4709a189b8b189d26a83a06fed0c32e0b5ac5602370fb0f03a39d04",
     "options/locale/locale_fa-IR.json": "ad85f5829335844883608ed5ed09dee5bc5f4800cda7ef9277200aa4a7f35f32",
     "options/locale/locale_fi-FI.json": "3b811b0ee794548399bcb64a887711a26cc0c26e04dfd0305b0846742d065952",
@@ -39,7 +39,7 @@
     "options/locale/locale_zh-TW.json": "9d242d16492e808889d7cdcc5db2ee5e53baabfc3d3dc13ea854c8852e963ec4",
     "public/assets/img/favicon.png": "cbe472b55c0b2f2e57db58e991fc457e136fbaf246f54aaf7631ff089c76344f",
     "templates/mail/base/footer.tmpl": "5accf2a39dffd952fd2d55a4fa867d33d91415792f11f90bc7e2fc8f8492117b",
-    "templates/mail/base/head.tmpl": "239a2f805949ca7ebd27fa11a34a20bbb7a5d435a95f3c25c55a4139126d7476",
+    "templates/mail/base/head.tmpl": "40d885a4c2747aef22e3462c1ad07e5bea2b6b629bf07ccf59b0abf28bf35f97",
     "templates/mail/org/team_invite.tmpl": "646133e75c9efdce96eb7d58d8aea0111cae890c816a718ee8098346ab089a44",
     "templates/mail/repo/actions/workflow_run.tmpl": "dbd34f3c7fb4f10a7497ca2872a648104c098f425866cae50f44b98033000b45",
     "templates/mail/repo/collaborator.tmpl": "dd8a858a4fcdb37c71c88b9e51f7f5bbfa3c6afec572e2c9c7801fde4ececfb5",