Debug eclipse-zenoh/zenoh release workflow

[fuzzypixelz]

After merging the improved Release workflow in eclipse-zenoh/zenoh#756, some problems have surfaced.

• fix(tag-crates): Set version input to undefined when unspecified #32
• fix(workflows/release): Get release number from tag job zenoh#820
• fix(workflows/release-crates-*): Use always() to run publish jobs when no-build is set #33
• fix(workflows/release-crates-ghcr): Typo in github-token input #34
• fix(workflows/release-crates-*): Set live-run to false #36
• fix: Release workflow failure on scheduled runs zenoh#836