chore(deps): bump uv-build in /.github/requirements (#13176)

Bumps [uv-build](https://github.com/astral-sh/uv) from 0.7.20 to 0.7.21.
- [Release notes](https://github.com/astral-sh/uv/releases)
- [Changelog](https://github.com/astral-sh/uv/blob/main/CHANGELOG.md)
- [Commits](astral-sh/uv@0.7.20...0.7.21)

---
updated-dependencies:
- dependency-name: uv-build
  dependency-version: 0.7.21
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/requirements/build-requirements.txt

@@ -126,23 +126,23 @@ tomli==2.2.1 ; python_full_version < '3.11' \
     --hash=sha256:ece47d672db52ac607a3d9599a9d48dcb2f2f735c6c2d1f34130085bb12b112a \
     --hash=sha256:f4039b9cbc3048b2416cc57ab3bda989a6fcf9b36cf8937f01a6e731b64f80d7
     # via maturin
-uv-build==0.7.20 \
-    --hash=sha256:155458d26cc723d0ce036be011afb5b68f32703af74e729932cae76293726c10 \
-    --hash=sha256:2ae6f8c9a278279ca8f6d7553c2fe471c9c8dc09bd822c5feee62a1e8a0a7ee0 \
-    --hash=sha256:3d42d20c4a78227e5287e648adac5a95d7ba7de53d1fda994115294b1d727644 \
-    --hash=sha256:50f1e16bb51fac39a524405e45149454e9884513bbeb10cb75df610012f3d038 \
-    --hash=sha256:51ce4e0d88c14332be16b279cac762873891c33639c445015de4be55d9434158 \
-    --hash=sha256:5d472992560860b9178850a22f47f1aeb34e1841df276037264ed8d0313ef466 \
-    --hash=sha256:5f5ce627444ecfa421217e9276b49f4da9447ed192325c5775a3d27fe1b0e323 \
-    --hash=sha256:62ca649b69fd420cd777fcf59d426f040d4cbaca8ab33b2480819053c3155461 \
-    --hash=sha256:6a85be9b3df48ac87547f07e647146c5b23a293be4eccec8be1cb549a8c9536c \
-    --hash=sha256:7f76fabcc4728bb4bf0db3cb0b5e73fe3488c510e15fe196bff1855056dddd59 \
-    --hash=sha256:9318682df61adc0057a41a70eb7279dd3ae6c63db3bca69c3c09be9e27373b02 \
-    --hash=sha256:9e60c985b72f43abcefdb99bd46c3224b13e8e6502318d7e36ff45c686ed346d \
-    --hash=sha256:9f7639b5c55f9f41c3261a6564f264f70cb066c79274f0181c418118c9232620 \
-    --hash=sha256:a6eca8ce7789c066caced30c718ac61175d1415583fdcc83fe04cdd802648986 \
-    --hash=sha256:b3ddd30755de2a6a653b9893fc766cc60d9c4541cbb2620c420620d932c49aae \
-    --hash=sha256:c9fbc07663a5ebb0c295f0b536ebd0333e80648faf372553eb475807fafe8ff1 \
-    --hash=sha256:d7fe4e81b552e0a01601e9e8d7d9f53ac2482ed635ebb44fc67d615792b13f75 \
-    --hash=sha256:fe7b8881dc15b7fae662b80cfa446ba16f48aaf49396a05b5c5d39b0daab3734
+uv-build==0.7.21 \
+    --hash=sha256:05d225a3dd5f6c0a443235ca300b95b163be869b460169c856c1e6884bca1a3b \
+    --hash=sha256:17535ebfe5bc455b07e26412fa62a38469b8253f4b2369103de2893b9a55458d \
+    --hash=sha256:2a108891720a1fd3c5cdea57f8f568da840f31fb45d660329c470e52b3adb586 \
+    --hash=sha256:2b84e605bbb730ab650f5458719b7fccf4bee8b65cdc7ed961f37347e6b81935 \
+    --hash=sha256:404257d120b0ca3ff59bdee985db2498e0c4c54350592655c4053529948c9010 \
+    --hash=sha256:5817c0aafbe130c39f5642c6f7cc3660c8e6e45d50616731b5d0b69c78de985e \
+    --hash=sha256:6a4f14a6f84f161584813b19c942243b575b13e56d2612d55a167cd885ee5e16 \
+    --hash=sha256:75c29b555be965cce85260f9cde6db3852c55ac8b7bdcd3994414c0dd3d03026 \
+    --hash=sha256:77c8a950641ac39d1f3ab5105e86eb955ecaccc946daf6db442f9a3c2884e8cd \
+    --hash=sha256:90b3af4dc2f5f7f3b34ea6d3042c0e84851c6994836729deafc11d67306e5751 \
+    --hash=sha256:a392659b9f0c0e31fef9928498bad3bd1685c452c236bc50f7f84ab10d212452 \
+    --hash=sha256:a9733165e48ed68100190a6a656955f58019fb852634275f515034131c1c2b75 \
+    --hash=sha256:b305945b8ba0c0e27c52edd4f94f69d981c0050e4e11b4a4efbb68dcaf1afff9 \
+    --hash=sha256:bc9679f23e3d64398c762f913a840d1c81d4f3515d259fd457657d50776ffa1f \
+    --hash=sha256:cb01d25a5fded2b91f0760669b82f508c0bc8796629d5af777638d5f07b0b5b0 \
+    --hash=sha256:d592ec94b6b67cfb2182b4917d28ebfebb931095c8f4c6687ebe73276ccba94a \
+    --hash=sha256:f0e13515828a383ea835a9c8f6df27c9971efb1c740b572af328a2827c480c21 \
+    --hash=sha256:f6b80003d81a3eda58262fe05f218bc0c8fc5d1a201c4ab04aa1b55f5d6eb12f
     # via -r build-requirements.in