Maintain adapters loosening to support sqlite

Makefile

@@ -58,7 +58,7 @@ everything: .venv-dbt10/bin/python .venv-dbt11/bin/python .venv-dbt12/bin/python
 	.venv-dbt16/bin/pip install --upgrade wheel setuptools pip
 	.venv-dbt16/bin/pip install pytest WebTest .
 	for adapter in $(ADAPTERS); do \
-		.venv-dbt16/bin/pip install "dbt-$$adapter>=1.5.0,<1.7.0"; \
+		.venv-dbt16/bin/pip install "dbt-$$adapter>=1.4.0,<1.7.0"; \
 		.venv-dbt16/bin/pip install "dbt-core>=1.6.0,<1.7.0"; \
 	done
 
@@ -67,7 +67,7 @@ everything: .venv-dbt10/bin/python .venv-dbt11/bin/python .venv-dbt12/bin/python
 	.venv-dbt17/bin/pip install --upgrade wheel setuptools pip
 	.venv-dbt17/bin/pip install pytest WebTest .
 	for adapter in $(ADAPTERS); do \
-		.venv-dbt17/bin/pip install "dbt-$$adapter>=1.6.0,<1.8.0"; \
+		.venv-dbt17/bin/pip install "dbt-$$adapter>=1.4.0,<1.8.0"; \
 		.venv-dbt17/bin/pip install "dbt-core>=1.7.0,<1.8.0"; \
 	done
 
@@ -76,10 +76,10 @@ everything: .venv-dbt10/bin/python .venv-dbt11/bin/python .venv-dbt12/bin/python
 	.venv-dbt18/bin/pip install --upgrade wheel setuptools pip
 	.venv-dbt18/bin/pip install pytest WebTest .
 	for adapter in $(ADAPTERS); do \
-		.venv-dbt18/bin/pip install "dbt-$$adapter>=1.7.0,<1.9.0"; \
+		.venv-dbt18/bin/pip install "dbt-$$adapter>=1.4.0,<1.9.0"; \
 		.venv-dbt18/bin/pip install "dbt-core>=1.8.0,<1.9.0"; \
-		.venv-dbt18/bin/pip install "dbt-adapters~=1.2.0; \
-		.venv-dbt18/bin/pip install "dbt-common~=1.2.0; \
+		.venv-dbt18/bin/pip install "dbt-adapters>=1.2.0; \
+		.venv-dbt18/bin/pip install "dbt-common>=1.2.0; \
 	done
 
 clean: