feat(rollapp): add tags to rollapp metadata

[zale144]

Description

---

Closes #1569

All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow-up issues.

PR review checkboxes:

I have...

• Added a relevant changelog entry to the Unreleased section in CHANGELOG.md
• Targeted PR against the correct branch
• included the correct type prefix in the PR title
• Linked to the GitHub issue with discussion and accepted design
• Targets only one GitHub issue
• Wrote unit and integration tests
• Wrote relevant migration scripts if necessary
• All CI checks have passed
• Added relevant godoc comments
• Updated the scripts for local run, e.g genesis_config_commands.sh if the PR changes parameters
• Add an issue in the e2e-tests repo if necessary

SDK Checklist

• Import/Export Genesis
• Registered Invariants
• Registered Events
• Updated openapi.yaml
• No usage of go map
• No usage of time.Now()
• Used fixed point arithmetic and not float arithmetic
• Avoid panicking in Begin/End block as much as possible
• No unexpected math Overflow
• Used sendCoin and not SendCoins
• Out-of-block compute is bounded
• No serialized ID at the end of store keys
• UInt to byte conversion should use BigEndian

Full security checklist here

---

For Reviewer:

• Confirmed the correct type prefix in the PR title
• Reviewers assigned
• Confirmed all author checklist items have been addressed

---

After reviewer approval:

• In case the PR targets the main branch, PR should not be squash merge in order to keep meaningful git history.
• In case the PR targets a release branch, PR must be rebased.

[codecov]

Codecov Report

Attention: Patch coverage is 10.10101% with 356 lines in your changes missing coverage. Please review.

Project coverage is 22.69%. Comparing base (792bec7) to head (39f5be0).
Report is 17 commits behind head on main.

Files with missing lines	Patch %	Lines
x/rollapp/types/query.pb.go	0.77%	255 Missing ⚠️
x/rollapp/types/query.pb.gw.go	0.00%	49 Missing ⚠️
x/rollapp/types/metadata.pb.go	52.08%	17 Missing and 6 partials ⚠️
x/rollapp/client/cli/query_tags.go	0.00%	20 Missing ⚠️
x/rollapp/keeper/grpc_query_rollapp.go	0.00%	8 Missing ⚠️
x/rollapp/client/cli/query.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##             main    #1572     +/-   ##
=========================================
  Coverage   22.68%   22.69%             
=========================================
  Files         575      571      -4     
  Lines      125081   126287   +1206     
=========================================
+ Hits        28379    28657    +278     
- Misses      92907    93785    +878     
- Partials     3795     3845     +50     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.