sigstore: prep 3.6.1 (sigstore#1263)

Signed-off-by: William Woodruff <william@trailofbits.com>

prep 3.6.0 (sigstore#1248)

prep 3.5.3

Signed-off-by: William Woodruff <william@trailofbits.com>

CHANGELOG: prep 3.5.2

Signed-off-by: William Woodruff <william@trailofbits.com>

sigstore: prep 3.5.1 (sigstore#1193)

Prep 3.5.0 (sigstore#1184)

prep 3.4.0 (sigstore#1168)

prep 3.3.0 (sigstore#1129)

prep 3.2.0 (sigstore#1094)

prep 3.1.0 (sigstore#1079)