[SDK-5574] Release v1.2.0

[nishant-clevertap]

• Adds support to display GIFs in Basic, Timer, Zero Bezel and Rating templates.
• Adds support for transparency of title, message and background color.

[francispereira]

✅ Snyk checks have passed. No issues have been found so far.

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✅	Code Security	0	0	0	0	0 issues

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