Bump github.com/bluenviron/mediacommon from 1.12.2 to 1.12.3 (#609)

Bumps [github.com/bluenviron/mediacommon](https://github.com/bluenviron/mediacommon) from 1.12.2 to 1.12.3.
- [Commits](bluenviron/mediacommon@v1.12.2...v1.12.3)

---
updated-dependencies:
- dependency-name: github.com/bluenviron/mediacommon
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

go.mod

@@ -3,7 +3,7 @@ module github.com/bluenviron/gortsplib/v4
 go 1.20
 
 require (
-	github.com/bluenviron/mediacommon v1.12.2
+	github.com/bluenviron/mediacommon v1.12.3
 	github.com/google/uuid v1.6.0
 	github.com/pion/rtcp v1.2.14
 	github.com/pion/rtp v1.8.7-0.20240429002300-bc5124c9d0d0

go.sum

@@ -2,8 +2,8 @@ github.com/asticode/go-astikit v0.30.0 h1:DkBkRQRIxYcknlaU7W7ksNfn4gMFsB0tqMJflx
 github.com/asticode/go-astikit v0.30.0/go.mod h1:h4ly7idim1tNhaVkdVBeXQZEE3L0xblP7fCWbgwipF0=
 github.com/asticode/go-astits v1.13.0 h1:XOgkaadfZODnyZRR5Y0/DWkA9vrkLLPLeeOvDwfKZ1c=
 github.com/asticode/go-astits v1.13.0/go.mod h1:QSHmknZ51pf6KJdHKZHJTLlMegIrhega3LPWz3ND/iI=
-github.com/bluenviron/mediacommon v1.12.2 h1:H2TUvZmB5et5C7kORFrJ9XdOAtxYipnQBJlY4XAvY1M=
-github.com/bluenviron/mediacommon v1.12.2/go.mod h1:HDyW2CzjvhYJXtdxstdFPio3G0qSocPhqkhUt/qffec=
+github.com/bluenviron/mediacommon v1.12.3 h1:a7O1CzfdWsLJmTLe365KfRoAGeVxJPB/aDaCW4Jm2+U=
+github.com/bluenviron/mediacommon v1.12.3/go.mod h1:HDyW2CzjvhYJXtdxstdFPio3G0qSocPhqkhUt/qffec=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=