Failed to load dynamic library

[desistefanova]

• Downgrade the version of GitHub runners for building the native library.
• RealmError message contains all the errors occurred while trying to load the library form different paths.
• Fixes Linux: Failed to load dynamic library #1141
• Fixes [Bug]: [LINUX] Failed to load dynamic library 'librealm_dart.so': librealm_dart.so: cannot open shared object file: No such file or directory #1017

[coveralls]

Pull Request Test Coverage Report for Build 4114435562

• 2 of 3 (66.67%) changed or added relevant lines in 1 file are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.05%) to 89.055%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
lib/src/init.dart	2	3	66.67%

Files with Coverage Reduction	New Missed Lines	%
lib/src/subscription.dart	1	90.48%

Totals
Change from base Build 4114274226:	-0.05%
Covered Lines:	3035
Relevant Lines:	3408

---

💛 - Coveralls

[blagoev]

@desistefanova This PR seems making too much assumptions about the issue we are trying to fix. Lets keep the changes to a minimum. Only the ones we are sure we need to fix issues

[desistefanova]

@desistefanova This PR seems making too much assumptions about the issue we are trying to fix. Lets keep the changes to a minimum. Only the ones we are sure we need to fix issues

Yes, it was for testing purpose. Since the issue was not reproduced in #1144 for the rest of the environments, I returned back macOS and windows to their latest runners.

[blagoev]

mostly names related

[blagoev]

small nits left