Integrate gitlab-ci/include_embedded_cache and 6 more

Commit: https://git.seco.com/edgehog/infrastructure/gitlab-ci/-/commit/630ee4c5d71f7c693bccd9c346fe3f6b46221ecc

[INTEL] Temporary removed Edgehog embedded image

• Waiting for a stable release of the Intel Apollo Lake distro --

Commit: https://git.seco.com/edgehog/infrastructure/gitlab-ci/-/commit/8deb0452f995052c2e237e1ea149b8fd183a6363

[REPORT] Chaange path to changelog and build reports

• Add condition to use public container to store report when a tag occurs

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Commit: https://git.seco.com/edgehog/infrastructure/gitlab-ci/-/commit/83904daa7984848b8fe7e2037604494173229992

[SSH] Remove SSH configs not necessary anymore

• The SSH key and configs are no more needed since migrated everything to https

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Commit: https://git.seco.com/edgehog/infrastructure/gitlab-ci/-/commit/514b0b2bf7fb33d101bb24e133b569df87213660

[INTEL] Add support to Edgehog Embedded distro

• Adding support to Edgehog Embedded base and full image

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Commit: https://git.seco.com/edgehog/infrastructure/gitlab-ci/-/commit/1f776859718760e3a690294f2e3c9a45b517aaf0

[FIX] Change variable check on cache condition

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Commit: https://git.seco.com/edgehog/infrastructure/gitlab-ci/-/commit/a924e33fcd43103f97681fd6108c0b75afe93beb

[FIX] Fix on syntax

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Commit: https://git.seco.com/edgehog/infrastructure/gitlab-ci/-/commit/3288437c0736478fa009cd77940e17f2561e44fd

[CACHE] Set rule to use separate caches for things and embedded distros

• Separate caches folder to be used for the two distros
• Avoid using cache and downloads for tagged builds
• Reduce expiration policy of the build to 24 hours