Fix license.

.gitea/PULL_REQUEST_TEMPLATE.md

-- [ ] I agree to release my code and all other changes of this PR under the AGPL-3.0 license
+- [ ] I agree to release my code and all other changes of this PR under the AGPL-3.0-only license

Cargo.toml

 [package]
 name = "conduit"
 description = "A Matrix homeserver written in Rust"
-license = "AGPL-3.0"
+license = "AGPL-3.0-only"
 authors = ["timokoesters <timo@koesters.xyz>"]
 homepage = "https://conduit.rs"
 repository = "https://git.koesters.xyz/timo/conduit"

Dockerfile

@@ -54,7 +54,7 @@ LABEL org.opencontainers.image.created=${CREATED} \
       org.opencontainers.image.revision=${GIT_REF} \
       org.opencontainers.image.source="https://git.koesters.xyz/timo/conduit.git" \
       org.opencontainers.image.documentation.="" \
-      org.opencontainers.image.licenses="AGPL-3.0" \
+      org.opencontainers.image.licenses="AGPL-3.0-only" \
       org.opencontainers.image.ref.name="" \
       org.label-schema.docker.build="docker build . -t conduit_homeserver:latest --build-arg CREATED=$(date -u +'%Y-%m-%dT%H:%M:%SZ') --build-arg VERSION=$(grep -m1 -o '[0-9].[0-9].[0-9]' Cargo.toml)" \
       maintainer="Weasy666"