fix: gracefully handle GitHub API failures in version check

Return current version instead of erroring when the GitHub releases API
fails (e.g. rate limiting). This prevents the CLI from crashing when
the API is unavailable.

Author: theFong

pkg/remoteversion/remoteversion.go

@@ -6,7 +6,6 @@ import (
 	"github.com/fatih/color"
 
 	"github.com/brevdev/brev-cli/pkg/cmd/version"
-	breverrors "github.com/brevdev/brev-cli/pkg/errors"
 	"github.com/brevdev/brev-cli/pkg/store"
 	"github.com/brevdev/brev-cli/pkg/terminal"
 )
@@ -34,8 +33,7 @@ type VersionStore interface {
 func BuildVersionString(t *terminal.Terminal, versionStore VersionStore) (string, error) {
 	githubRelease, err := versionStore.GetLatestReleaseMetadata()
 	if err != nil {
-		t.Errprint(err, "Failed to retrieve latest version")
-		return "", breverrors.WrapAndTrace(err)
+		return fmt.Sprintf(upToDateString, version.Version), nil
 	}
 
 	var versionString string
@@ -57,8 +55,7 @@ func BuildVersionString(t *terminal.Terminal, versionStore VersionStore) (string
 func BuildCheckLatestVersionString(t *terminal.Terminal, versionStore VersionStore) (string, error) {
 	githubRelease, err := versionStore.GetLatestReleaseMetadata()
 	if err != nil {
-		t.Errprint(err, "Failed to retrieve latest version")
-		return "", breverrors.WrapAndTrace(err)
+		return "", nil
 	}
 
 	versionString := ""