build(deps): bump github.com/sylabs/json-resp from 0.9.3 to 0.9.4

Bumps [github.com/sylabs/json-resp](https://github.com/sylabs/json-resp) from 0.9.3 to 0.9.4.
- [Release notes](https://github.com/sylabs/json-resp/releases)
- [Commits](sylabs/json-resp@v0.9.3...v0.9.4)

---
updated-dependencies:
- dependency-name: github.com/sylabs/json-resp
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

go.mod

@@ -2,4 +2,4 @@ module github.com/sylabs/scs-key-client
 
 go 1.17
 
-require github.com/sylabs/json-resp v0.9.3
+require github.com/sylabs/json-resp v0.9.4

go.sum

@@ -1,2 +1,2 @@
-github.com/sylabs/json-resp v0.9.3 h1:9GuEmBb1ZHNhVlUEI1wzQSE4ol5avakmRnmeyXfmIk0=
-github.com/sylabs/json-resp v0.9.3/go.mod h1:Q9X4wRlZNPv3x76KaL8vTCBO4aC/DP2gh13xdtEqd1g=
+github.com/sylabs/json-resp v0.9.4 h1:gFvnPdfrBUQgTAFKcxW8VOTfFdj/eOwBrwSG76BwiCw=
+github.com/sylabs/json-resp v0.9.4/go.mod h1:Q9X4wRlZNPv3x76KaL8vTCBO4aC/DP2gh13xdtEqd1g=